People are generally aware of the most common causes of hallucinations, like schizophrenia and a really high fever. But lesser known are the more rare causes; here are six you probably haven't heard about.

The Hill Stories

U.S. Democratic presidential candidate Hillary Clinton is dispatching two top aides to Puerto Rico this weekend for a fact-finding trip to learn more about the Zika virus, her campaign said on Tuesday.

New York lags behind other states in vetting nurses and moving to discipline those who are incompetent or commit crimes. Often, even those disciplined by other states or New York agencies hold clear licenses.